post_install () {
    post_upgrade
}

post_upgrade () {
    echo ":: In order to use p7zip with mc:"
    echo ":: Add u7z to /usr/share/mc/extfs/extfs.ini"
    echo ":: and add the following to /usr/share/mc/mc.ext:"
    echo "::"
    echo ":: regex/\.(7z|7Z)$"
    echo ":: 	View=%view{ascii} 7za l %f"
    echo ":: 	Open=%cd %p#u7z"
}

op=$1
shift
$op $*